Perhaps you should try some spelling variations:
irrigation scheme » irrigation systems
award information » road information, fund information, und information
grid irrigation » grain irrigation, drip irrigation, gray irrigation
support grid » support agri, support grant, support group
survey award » survey aimed

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( support grid irrigation scheme. ) or ( survey award information theory. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( support grid irrigation scheme. ) OR ( survey award information theory. )).
• Adding a wildcard symbol may retrieve word variants: (( support grid irrigation scheme. ) or ( survey award information theory. ))*.